package com.mmall.util;

import java.math.BigDecimal;

/**
 * @Classname BigDecimalUtils
 * @Description TODO
 * @Date 2020/8/17 23:27
 * @Created by ccc-j
 * @email ccc-ju@outlook.com
 */
public class BigDecimalUtils {

    private BigDecimalUtils(){

    }

    //BigDecimal加法
    public static BigDecimal add(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v2));
        return b1.add(b2);
    }
    //BigDecimal减法
    public static BigDecimal sub(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v2));
        return b1.subtract(b2);
    }
    //BigDecimal乘法
    public static BigDecimal mul(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v2));
        return b1.multiply(b2);
    }
    //BigDecimal除法
    public static BigDecimal div(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v2));
        //除不尽的情况
        return b1.divide(b2, 2, BigDecimal.ROUND_HALF_UP); //四舍五入，保留两位小数
    }


}
